Okla. Stat. tit. 6 § 213
No officer or employee of the Department shall be an officer, director, attorney, owner or shareholder in any bank or trust company or, except as hereinafter provided, receive, directly or indirectly, any payment or gratuity from any such bank or trust company or be indebted to any bank or trust company or other institution over which the Department has supervisory control. Willful violation of this section is declared to be a criminal offense. This provision shall not prohibit employees of the Department from being members of credit unions or from being indebted to credit unions and finance companies, nor shall it prohibit their being depositors in a bank or lessees of safe deposit boxes therein on the same terms as are available to the public generally, or being indebted to a bank upon a mortgage loan upon the mortgagor's own home, or upon an installment debt transferred to a bank in the regular course of business by a seller of consumer goods, including automobiles purchased by the officer or employee. Further, this section shall not prohibit the five banker members of the Board from being executive officers in banks and from receiving bona fide compensation as such officers.
Okla. Stat. tit. 6, § 213